Credit

Caption

Zodiacal light over the sea. Historical artwork over a ship at sail with zodiacal light on the horizon. Zodiacal light is sunlight reflected from dust particles orbiting in the plane of the solar system. From Earth it is seen as a cone of light along the ecliptic, the orbital path of the Sun, Moon and planets in the sky. From Weltall und Menscheit (Universe and Humanity), by Hans Kraemer (ca.